Catheter holder



FIG. 1 is a top plan view of a catheter holder;

FIG. 2 is a front elevational view, the rear being identical;

FIG. 3 is a left side elevational view, the right side being identical; and,

FIG. 4 is a perspective view, the broken lines showing a leg and a catheter are for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for a catheter holder, as shown and described. 